About: http://webisa.webdatacommons.org/396224879

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If a figure is a parallelogram, and if its opposite sides are congruent, and if its diagonals bisect each other, then that figure must be a rectangle.
http://www.w3.org/ns/prov#wasQuotedFrom	openstudy.com